# 17-31-021

visual range

greatest distance at which a given object can be recognized in any particular circumstances, as limited only by the atmospheric transmissivity and by the visual contrast threshold

Note 1 to entry: This entry was numbered 845-11-23 in IEC 60050-845:1987.

Note 2 to entry: This entry was numbered 17-1414 in CIE S 017:2011.

Publication date: 2020-12